Home / 1,253,092.61-1,729,263.44-680,132.79

Finding the Fourth Proportional to 1,253,092.61, 1,729,263.44 and 680,132.79

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Solution

The fourth proportional to 1,253,092.61, 1,729,263.44 and 680,132.79 is: 938,580.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,092.61 : 1,729,263.44 = 680,132.79 : x
  2. Step 2: Convert to fraction form
    1,253,092.61/1,729,263.44 = 680,132.79/x
  3. Step 3: Cross multiply
    1,253,092.61x = 1,729,263.44 × 680,132.79
  4. Step 4: Simplify right side
    1,253,092.61x = 1,176,128,769,792.53
  5. Step 5: Solve for x
    x = 1,176,128,769,792.53/1,253,092.61
  6. Step 6: Final answer
    x = 938,580.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.